Stainless Steel Extra-Long Extended-Tip Set Screws | Precision Deep-Hole Fastening Solutions

Stainless Steel Extra-Long Extended-Tip Set Screws for Deep-Hole and Precision Applications

In industrial machinery, automotive assemblies, and precision equipment, secure fastening and deep-hole engagement are critical for component stability. Stainless Steel Extra-Long Extended-Tip Set Screws, also known as full dog-point set screws, are engineered for these applications.

Unlike standard extended-tip screws, the extra-long tip penetrates deeper into holes, providing a firmer hold on shafts, tubing, and other surfaces. This design ensures reliable positioning, alignment, and torque transfer, while minimizing surface damage and component movement.

Manufactured from corrosion-resistant stainless steel, these screws are ideal for wet environments, outdoor installations, and industrial applications.

Key Features of Stainless Steel Extra-Long Extended-Tip Set Screws

1. Extra-Long Tip for Secure Holding

The defining feature of these set screws is their tip length, which is twice that of standard screws. This ensures:

• Deeper engagement with the mating hole

• Enhanced positional stability

• Reduced slippage or rotation under load

This makes them ideal for applications where components must remain fixed under vibration or torque stress.

 2. Corrosion-Resistant Materials

Available in various stainless steel grades:

• 18-8 Stainless Steel – Suitable for      wet environments and general outdoor use.

• 316 Stainless Steel – Offers      superior resistance to saltwater, harsh chemicals, and extreme weather.

These materials prevent rust and corrosion, extending service life and reducing maintenance requirements.

 3. Hexagon Socket Cheese-End Design

Hexagon socket cheese-end set screws feature a cylindrical head with an internal hex drive. Advantages include:

• Easy installation and removal with hex keys or wrenches

• Precise torque application for controlled tightening

• Adjustable preload for different fastening requirements

The cylindrical head ensures a secure grip while keeping assemblies compact.

 4. Reliable Fastening and Reusability

Extra-long extended-tip set screws provide:

• High reliability in machinery and automation equipment

• Reusability for maintenance and repositioning

• Stable torque transfer for precision applications

These screws are widely used in mechanical equipment, automotive systems, electronics, and industrial machinery.

Manufacturing Process of Hexagon Socket Extended-Tip Set Screws

1. Material Procurement: Selection of      stainless steel according to corrosion and strength requirements.

2. Screw Forging: Material is heated      and forged into the cylindrical screw head and body.

3. Threading: Precision thread      processing ensures accurate engagement with mating parts.

4. Heat Treatment: Provides required      strength and toughness.

5. Surface Treatment: Optional      galvanization, plating, or passivation enhances corrosion resistance.

6. Packaging: Screws are labeled with      material, size, and specifications for easy identification.

 Selection Guidelines and Precautions

• Choose the right size and material      according to component requirements.

• Apply proper torque to avoid      over-tightening or loosening.

• Regularly inspect screws during      maintenance for wear or damage.

• Store in dry conditions to prevent      moisture-induced corrosion.

• Ensure material compatibility when      combining different metals to avoid galvanic corrosion.

Strict adherence to national and international standards (ISO, DIN, ASME, JIS) ensures firm, safe connections and reliable operational performance.

 Typical Applications

Industrial Machinery

Used for securing shafts, collars, pulleys, and mechanical linkages, where deep engagement is required for precision and stability.

Automotive Systems

Applied in engine assemblies, transmission shafts, and adjustable components, ensuring parts remain in position under vibration and load.

Electronics and Precision Equipment

Used for fixtures, jigs, and assembly platforms where components may be frequently repositioned without damaging surfaces.

Automation and Robotics

Provides stable engagement in robotic joints, automated conveyors, and industrial automation lines, enabling high repeatability and precise control.

Aerospace and Heavy Industry

Ensures reliable fastening in critical assemblies, including hydraulic systems, control linkages, and high-vibration environments.

Why Choose Stainless Steel Extra-Long Extended-Tip Set Screws

• Extra-deep tip for enhanced positional stability

• Corrosion resistance for long-term outdoor and wet      applications

• Reliable torque transfer with hex socket cheese-end design

• Compact cylindrical head for tight installation spaces

• Reusable and easy to maintain for industrial and automotive      systems

Juxin Fasteners Industrial Solutions

With over 23 years of experience, Juxin Fasteners provides high-quality fastening solutions for machinery, automotive, and industrial equipment. Our product portfolio includes:

• Set screws (flat-tip, extra-long extended-tip, cup-point)

• Blind rivet nuts and weld studs

• Security and tamper-resistant fasteners

• Threaded inserts and CNC precision components

All products are designed to meet ISO, DIN, ASME, and JIS standards, ensuring high reliability, long service life, and professional industrial performance.